Question

Помогите, пожалуйста!!!!
Обращая внимание на употребление времён групп Indefinite, Continuous, Perfect в действительном и страдательном залогах. Выпишите сказуемые и укажите их видовременные формы.
1. Не appeared on the platform just as the train was pulling out.
2. The construction of the first railway lines in Japan was guided by English engineers. Locomotives and cars were all imported from Engtand too.
3. New freight transportation rates have been recently introduced in this country.
4. Air-conditioning system in a railway car ensures a constant supply of fresh air in hot weather and heating the entire saioon in cold weather.
5. The construction of new railway lines is always preceded by long and thorough surveying work.

Answer 1

1.
appeared - Past Simple
was pulling - Past Continuous
2.
was guided - Past Simple Passive
were imported - Past Simple Passive
3.
have been introduced - Present Perfect Passive
4.
ensures - Present Simple
5.
is preceded - Present Simple Passive